Multi-mode feed system for a monopulse antenna

Details Multi-mode feed system for a monopulse antenna Multi-mode feed system for a monopulse antenna

1988-05-23

1989-07-18

Taroza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

Determining direction

Monopulse

333 21R, 333115, G01S 1344

Patent

active

048497614

ABSTRACT:
A monopulse antenna feed system utilizing multiple modes within the feed. In one embodiment a TEM mode and one or two TE.phi..sub.11 modes are utilized in the antenna feed system to provide a data and a reference signal responsive to the one or two TE .sub.11 modes and to provide an error indicating signal responsive to the TEM mode that provides monopulse tracking operation. The relative phase of the TEM mode and the one or two TE .sub.11 modes is indicative of the off-axis orientation of a far-field source relative to the axis of the antenna system. The relative amplitude of the TEM mode is indicative of the angular departure the source from the axis.

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patent: 4627442 (1986-12-01), Land
patent: 4630059 (1986-12-01), Mory
patent: 4636689 (1987-01-01), Mourier

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